This is a song by a young Sinhala/English artist named Buddhi. Performed at the Punchi Theatre Open Mic, last and best act of the night. Below are some of the English lyrics.

The people that we used to be
Is the same as we are now you see
We come from Sri Lanka
Moratuwa our home town will be.

We come from Sri Lanka
Moratuwa our home town will be.

...

We'll fight for freedom
And politicians aren't going to like it
We'll fight for freedom
And politicians aren't going to like it

We sing our hearts out for you
Nobody seems to give a shit when we do
We only know one way
God only showed us this way

We only know one way
God only showed us this way